In May of the fourth year of Tianyuan, Princess Zhao Guanguan of Duanyang was born in the mansion of her maternal uncle, Marquis Dingguo. Her birthday was also the death anniversary of her mother. She is the only legitimate daughter of Emperor Jingwen and his first wife, Empress Chunming. She is a proud daughter of heaven, but she is not the product of a simple love between a man and a woman. Tianjia is ruthless. Her identity is destined to bear too many responsibilities that should not belong to her, avenging her mother, revitalizing her mother's family, expanding her territory... In a palace full of crises, and the ever-changing political situation, let's see how a generation of princesses can turn the tide.